I wouldn't worry too much! Bandit thinks he's a raccoon and has a notorious history of getting into cookies, cupcakes, pizza, bread, and once, half a box of Matzos. Typically his BG would raise up 100-200 points depending on what and how much he ate, but it always cleared within 24 hours. We now have a weighted, locking garbage can, we do not keep ANY food in the open, ever, and we have childproofed (catproofed?) the cupboards in the house that he can open with his paws.